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unigramlmweight
2012 Apr 15
1
Patch for Initial Prototype implementation of Unigram Langauage Modelling in xapian-core.
...f the Xapian::Weight subclass for
Unigram Language Modelling to support UnigramLM weighing in xapian.Other
changes include adding collection_frequency to TermFreqs struct to store
collection frequency of terms and some changes to support it xapian
Framework,Changing simplesearch.cc to search using UnigramLMWeight class.
Following issues have not being addressed in this patch(I am working on
following issues):
1. Log trick for handling multiplication for LM need to made more robust
than just adding some random number to avoid rejecting document due to
negative value returned by log.
Since each term...